These kits from Design Engineering provide a complete solution for protecting plug wires against heat on a 4 cylinder engine. Designed to withstand temperatures of up 1000 deg F (528 deg C) the kit prevents plug wires from burning through or hardening from heat which reduces performance.Protects plug wires from heat up to 1000 Deg FPrevents burning and hardening which can reduce engine performanceUniversal kit fits most 4 cylinder engines (2 kits will fit 8 cylinder engines)The universal kit is supplied with a 13ft length of plug wire protective sleeving manufactured from a high temperature non-flammable fibreglass. The sleeving can easily be cut to length to suit each plug wire. The kit also includes 4 x 'protect a boot' which fit both straight and angled park plug boots. 12 high temperature heat shrink tubes provide a secure fit of the sleeving and protect a boots to the plug wires.Kit contents:13ft length of protective sleeving4 x Protect a boots12 x heat shrink sleeves